PHP.ini is probably hidden away within your hosting menus. It is not typically within a directory in your file manager. Do a search of your hosts documentation, or FAQ for php.ini. You may find it that way.

; Maximum execution time of each script, in seconds
;http://php.net/max-execution-time...
; Note: This directive is hardcoded to 0 for the CLI SAPI
;max_execution_time = 30 ;;;removed and increased to 120
max_execution_time = 120